REINFORCING BUMPER CROSS-MEMBER

The invention relates to a bumper cross-member comprising an elongated body (10) having a three-dimensional configuration formed from several metal sheet elements (1, 2) joined together by means of welding and shaped. The three-dimensional configuration has a non-uniform open transversal section alo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PERARNAU RAMOS, FRANCESC, PEIDRO APARICI, JULIO, GARCIA, MICHEL, BECARES, ANTONIO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The invention relates to a bumper cross-member comprising an elongated body (10) having a three-dimensional configuration formed from several metal sheet elements (1, 2) joined together by means of welding and shaped. The three-dimensional configuration has a non-uniform open transversal section along said body (10). The method comprises joining several metal sheet elements (1, 2) together by welding in order to produce a flat tailored blank and shaping said tailored blank to produce the body (10). Shaping is carried out by hot or cold stamping. The several metal sheet elements (1, 2) can be joined either mutually adjacent or overlaid by different welding techniques, they can be of different of identical thicknesses and of the same type or different types of steel.